Improvement in stop-motions for warping-machines



i roller.

FFICE.

A PAUL WILSON `AND JAMES HUNTER, 0E MANcHEsrEHNEw HAMPSHIRE.`

iMPRovEMi-:NT IN STOP-Marlous Fon WARPING-MAcHINEs. y

Y Specification forming part of Letters Patent No. 115,403, dated May 30, 1871.

V.description thereof, which will enable others skilled in the art tomake and use the same, reference bein ghad to the accompanying drawing forming part of this specification.

This invention relates to improvements in stop-motions forl warping-machines; and it consists in a novel arrangement of apparatus for throwingoff the beltshipper, to be set in action by a hooker detector of wire let fall i when a thread breaks upon arevolvin g grooved It also consists in a novel construe,

tion of a frictionratchetlwheel applied to the roller for driving the warp-beam, and used, togther with a holding-pawl, to be let fall upon it by the shipper-lever at the same time that thelatter is thrown off to arrest the Said roller and warp-beam as soon as may be after the belt is thrown off. y

Figure 1 is a front elevation of a warpingmachine having our improved Stopmotion api plied toit; Fig. 2 isa sectional elevationof the machine taken `on the line x av of Fig. l; Fig. 3 is a partial end elevation; Fig. 4 is an elevation ofthe friction ratchet-disk, with one `of the side pieces or collars round; and Fig. 5 is a sectional elevation of the complete disk on the line w w.

Similar letters of reference indicate corresponding parts. The warp-threads A pass over the slotted board or plate B in being` transferred from the bobbins C to the warp-beam D, and each thread has a hook or link of wire, E, suspended from it over atrough,F, extending across the machine, and having a long narrow slot oropening, Gr, at the bottom. The side H of this hopper is pivoted at the top by journals I, resting in suitablel bearings in the frame of the machine, and projectin gbeyond said frame. The journal on'the side on which the belt-shipper K is, is provided with a crank, L, which comes against the said shipper when the side Hof the trough is turned outward on its pivots, and dislodges said `belt-shipper fr om the notched holder M, whereupon it throwsthe rod N and the belt-guide O to the left, shifting the belt from the fast pulleyQto the loose one, P. The moving of the side Hof the trough is eected by the grooved roller R,

which is kept constantly in motion by the belt S workingfrom the driving-shaft and the hooks E, the latter being received by said roller in its grooves when let fall by the breaking of a thread, and being carried forward or forced against the side-H. The slot G is made sufficiently narrow for the hooks to be presented to it edgewise or endwise, andthe bottom of ratchet-wheel for the main Shaft T, used to ar;

rest the motion due to the momentum after the belt is shifted, by a Stop-pawl,U, let down upon it by thev belt-shipper K of a ratchet-ring, V, of twocollars,W, an elastic ring, X, and clamping-bolts Y, the said disks being keyed to the shaft so as not to turn, but capable of moving toward each other, or one being capable of moving toward the other, and being so clamped against the elastic ring as to force it out against the ring V with more or less force, the said ring X being itted in the holes of the ring V, and the collars having parts tted to the hole in the said ring. This arrangement affords a ready means of adjusting the said friction-wheel to have more or less friction, and to stop the roller T and the warproller more or less promptly, as may be required.` `The swinging part H of the hopper is held in position by a Sprin g, a, coiled around one of the journals, and suitably attached to it and the frame. i

Instead of having one side only of the trough to swing for moving the tripping-bar L, the whole trough may be arranged to swing together, and produce the same result.

Havingl thus described our invention, we claim as new and desire to Secure by Letters Patentl. The combination, with ,the belt-Shipper K, of the grooved roller It, the dropping-hooks i or detectors, and the trough F, the latter hav- The above specification of our invention ing one or both sides pivoted, and carrying signed by us this 31st day of March, 1870.

the cranked bar L, said cranked bar being ar- PAUL WILSON. ranged with the shipper, substantially as spee- JAMES HUNTER. ied.

2. The friction ratchet-Wheel for arresting Witnesses: the momentum of the driving-shaft, construet- GEO. W. MABEE,

ed and arranged substantially as specified. l T. B. MOSHER. 

